Home / 90,635.15-125,076.44-50,352.68

Finding the Fourth Proportional to 90,635.15, 125,076.44 and 50,352.68

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Solution

The fourth proportional to 90,635.15, 125,076.44 and 50,352.68 is: 69,486.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,635.15 : 125,076.44 = 50,352.68 : x
  2. Step 2: Convert to fraction form
    90,635.15/125,076.44 = 50,352.68/x
  3. Step 3: Cross multiply
    90,635.15x = 125,076.44 × 50,352.68
  4. Step 4: Simplify right side
    90,635.15x = 6,297,933,081.71
  5. Step 5: Solve for x
    x = 6,297,933,081.71/90,635.15
  6. Step 6: Final answer
    x = 69,486.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.